Question

trends in the modern periodic table of what is it???

Answer 1

major preiodic trends electronegativity ,ionization energy ,electron offinity atomic radius

Answer 2

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Trends in the Modern Periodic Table are:-

⏩ Valency.

⏩ Atomic Size.

⏩ Metallic and Non-Metallic properties.

${\mathfrak{\underline{Valency}}}$

The valency of an element determined by the number of valence electrons present in the outermost shell of its atom.

⏺ Valency down a group same.

⏺ Valency across a period (left to right) varies ie. first increases then decreases.

${\mathfrak{\underline{Atomic\:Size}}}$

The atomic size is the distance between the center of the nucleus and the outermost shell of an isolated atom.

⏺Across a period, Left to right atomic size decrease and Right to left increases.

⏺Atomic size increase down a group.

${\mathfrak{\underline{Metallic\:and\:Non-metallic\:properties}}}$

In the modern periodic table, a zig-zag line separates metals from non-metals.

⏺ Metal tend to lose electrons while forming bonds. So they are electropositive in nature.

⏺️ Non-metal tend to form bonds by gaining electrons. So they are electronegative in nature.

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